MATHEMATICS MIDDLE SCHOOL

(70 Points) 1. If $400 is invested at the rate of 6% for one year, what will be the total value of the investment (the amount)?

$42.40
$424.00
$4,240.00


2. If a man earns $420 interest in one year at 7%, what was the amount of money invested?

$29.40
$60.00
$600.00
$6,000.00

Answers

Answer 1
Answer:

Answer for Q1 is B. 424.00

Answer for Q2 is D. 6,000.00 Because 420 times 100/ 7 times 1 is 6,000\

HOPE THIS HELPS!!

-Autumn Leaves

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What is 160 to a mixed number

Answers

160/10
16 0/10
or
160/60
2 2/3

4² +6²=X²
what is X? ​

Answers

Answer:

52

Step-by-step explanation:

4*4+6*6= 16+36= 52

What is 3/8 divided by 9/16? Please explain and show work.

Answers

To divide a fraction by a fraction you multiply by the reciprocal. That means that you turn the second fraction upside-down, and multiply.
So if you have 3/8 divided by 9/16, you will end up with
3/8 * 16/9
So now you can simplify diagonally, and it becomes 1/1 * 2/3, which is the same as 1 * 2/3.  The next step would be just to multiply fractions like normal, but since we know that any number times 1 is the number, the answer is 2/3
ANSWER: 2/3
Hope this helped, and feel free to ask more questions if you need!!(:
step1:keep
        that mean you keep 3/8 normal
step2:change
         that mean you change ÷ to ×
         3/8×
step3:flip
         that mean you flip the second number
         9/16 change to 16/9
         3/8×16/9=48/72
so the answer is 48/72
remember there is 3 step:keep 
                                     change
                                     flip

Help with number 4!!

Answers

Range is the area of variation between the highest and lowest values, basically the highest value - the lowest value a low range would indicate that the variation is minimal thus that the measurement tool is accurate.

Good luck, hope this helps.

Three times a number minus 9 is equal to two times the number plus 7

Answers

Answer:

n=16

Step-by-step explanation:

Make an equation

Three times a number minus 9–> 3n-9

Times means multiply, and minus means subtract

Equals two times the number plus 7–> =2n+7

Times means multiply, and plus means add

3n-9=2n+7

Solve for n, by getting n by itself

Subtract 2n from both sides

3n-2n-9=2n-2n+7

n-9=7

Add 9 to both sides

n-9+9=7+9

n=16

Add 5 to me then divide by 7 then add 12 then subtract 7 you get 10

Answers

Answer:

Step-by-step explanation:
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